CONFIG_CPU_CLOCK_FREQ_MHZ

CPU Clock Frequency in MHz

Type: int

Help

This option specifies the CPU Clock Frequency in MHz in order to convert Intel RDTSC timestamp to microseconds.

Direct dependencies

BOOT_TIME_MEASUREMENT

(Includes any dependencies from ifs and menus.)

Defaults

  • 20

Kconfig definition

At subsys/debug/Kconfig:26

Included via Kconfig:10Kconfig.zephyr:44subsys/Kconfig:14

Menu path: (Top) → System Monitoring Options → Enable performance metrics [EXPERIMENTAL] → Boot time measurements [EXPERIMENTAL]

config CPU_CLOCK_FREQ_MHZ
    int "CPU Clock Frequency in MHz"
    default 20
    depends on BOOT_TIME_MEASUREMENT
    help
      This option specifies the CPU Clock Frequency in MHz in order to
      convert Intel RDTSC timestamp to microseconds.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)